8299535521 has 16 divisors (see below), whose sum is σ = 8832738240. Its totient is φ = 7776276480.

The previous prime is 8299535509. The next prime is 8299535537. The reversal of 8299535521 is 1255359928.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8299535521 - 2¹³ = 8299527329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8299535501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1050241 + ... + 1058113.

It is an arithmetic number, because the mean of its divisors is an integer number (552046140).

Almost surely, 2^8299535521 is an apocalyptic number.

It is an amenable number.

8299535521 is a deficient number, since it is larger than the sum of its proper divisors (533202719).

8299535521 is a wasteful number, since it uses less digits than its factorization.

8299535521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496.

The product of its digits is 972000, while the sum is 49.

The square root of 8299535521 is about 91101.7865960926. The cubic root of 8299535521 is about 2024.6560831172.

The spelling of 8299535521 in words is "eight billion, two hundred ninety-nine million, five hundred thirty-five thousand, five hundred twenty-one".